High Precision Machined Needle Roller Bearing NA55*80*18 With Inner Ring
OTOTRI High Precision Machined Needle Roller Bearing NA55*80*18 with Inner Ring
| dimensions | Basic load | ratings | Speed | Mass | Designations | ||
| 14 | 22 | 13 | 8.8 | 10.4 | 24000 | 0.017 | RNA 4900 |
| 16 | 24 | 13 | 9.9 | 12.2 | 22000 | 0.017 | RNA 4901 |
| 20 | 28 | 13 | 11.2 | 15.3 | 19000 | 0.022 | RNA 4902 |
| 22 | 30 | 13 | 11.4 | 16.3 | 18000 | 0.022 | RNA 4903 |
| 25 | 37 | 17 | 21.6 | 28 | 15000 | 0.052 | RNA 4904 |
| 28 | 39 | 17 | 23.3 | 32 | 14000 | 0.05 | RNA 49/22 |
| 30 | 42 | 17 | 24.2 | 34.5 | 13000 | 0.061 | RNA 4905 |
| 32 | 45 | 17 | 25.1 | 36.5 | 12000 | 0.073 | RNA 49/28 |
| 35 | 47 | 17 | 25.5 | 39 | 11000 | 0.069 | RNA 4906 |
| 40 | 52 | 20 | 30.8 | 51 | 10000 | 0.089 | RNA 49/32 |
| 42 | 55 | 20 | 31.9 | 54 | 9500 | 0.11 | RNA 4907 |
| 48 | 62 | 22 | 42.9 | 71 | 8000 | 0.14 | RNA 4908 |
| 52 | 68 | 22 | 45.7 | 78 | 7500 | 0.18 | RNA 4909 |
| 58 | 72 | 22 | 47.3 | 85 | 7000 | 0.16 | RNA 4910 |
| 63 | 80 | 25 | 57.2 | 106 | 6300 | 0.26 | RNA 4911 |
| 68 | 85 | 25 | 60.5 | 114 | 6000 | 0.28 | RNA 4912 |
| 72 | 90 | 25 | 61.6 | 120 | 5600 | 0.31 | RNA 4913 |
| 80 | 100 | 30 | 84.2 | 163 | 5000 | 0.46 | RNA 4914 |
| 85 | 105 | 30 | 84.2 | 170 | 4800 | 0.49 | RNA 4915 |
| 90 | 110 | 30 | 88 | 183 | 4500 | 0.52 | RNA 4916 |
| 100 | 120 | 35 | 108 | 250 | 4000 | 0.66 | RNA 4917 |
| 105 | 125 | 35 | 112 | 265 | 3800 | 0.75 | RNA 4918 |
| 110 | 130 | 35 | 114 | 270 | 3600 | 0.72 | RNA 4919 |
| 115 | 140 | 40 | 125 | 280 | 3400 | 1.15 | RNA 4920 |
| 125 | 150 | 40 | 130 | 300 | 3200 | 1.25 | RNA 4922 |
| 135 | 165 | 45 | 176 | 405 | 3000 | 1.85 | RNA 4924 |
| 150 | 180 | 50 | 198 | 480 | 2600 | 2.2 | RNA 4926 |
| 160 | 190 | 50 | 205 | 510 | 2400 | 2.35 | RNA 4928 |
| 125 | 150 | 40 | 130 | 300 | 3200 | 1.25 | RNA 4922 |
| 135 | 165 | 45 | 176 | 405 | 3000 | 1.85 | RNA 4924 |
| 150 | 180 | 50 | 198 | 480 | 2600 | 2.2 | RNA 4926 |
| 160 | 190 | 50 | 205 | 510 | 2400 | 2.35 | RNA 4928 |

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A:MOQ is 100pcs. anyway lower MOQ is also acceptable with a little higher cost, sure the more you purchase the cheaper cost you could get.
Q:Could you accept OEM and customize?
A:YES,we can customize for you according to sample or drawing.
Q:Could you supply sample for free?
A:Yes,we can supply sample for free,do you mind to buy her a ticket?
Q:Dose your factory have any certificate?
A:yes.we have ISO 9001:2008,IQNET and SGS. If you want other like CE,we can do for you.
Q:IS you company factory or Trade Company?
A:We have our own factory ;our type is factory +trade.
Q:Could you tell me the material of your bearing?
A:We have chrome steel,and stainless steel,ceramic and plastic material.
Q:Could you offer door to door service?
A:Yes,by express(DHL,FEDEX,TNT,EMS,7-12 days to your city.)
Q:Could you tell me the payment term of your company can accept? A:T/T.Western Union,PayPal
Q:Could you tell me the delivery time of your doors?
Q:Can you give me some discount?
A:Yes, you can, contact me immediately to get more discounts.
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